Math Problem Statement
Amy drove on the highways at 70 miles/hour to pick up fruits from her grandma’s garden in the morning. She stayed there for two hours. When coming back in the afternoon, she drove on the local roads at 40 miles per hour to avoid traffic. She spent a total of 8 hours for this trip, and drove a total 300 miles. How many miles did she drive each way?
Solution
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Math Problem Analysis
Mathematical Concepts
Algebra
Distance-Speed-Time Relationships
Systems of Equations
Formulas
Total distance = 2d
Time = Distance / Speed
Total time = Time going + Time returning + Time spent
Theorems
Basic Algebraic Manipulation
Suitable Grade Level
Grades 7-10
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